AnalyzerSentence analysis3SpansSentence主要な構成要素1000 character limitAnalyzeSentence主しゅ要ような構こう成せい要よう素そSpan Details主しゅ要ようmain; principal; major; chiefna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar構こう成せい要よう素そcomponent; element; constituent partnoun